Esempio n. 1
0
bool
FrameworkView::EnsureAutomationProviderCreated()
{
#ifdef ACCESSIBILITY
    if (!mWidget || mShuttingDown)
        return false;

    if (mAutomationProvider) {
        return true;
    }

    Accessible *rootAccessible = mWidget->GetRootAccessible();
    if (rootAccessible) {
        IInspectable* inspectable;
        HRESULT hr;
        AssertRetHRESULT(hr = UIABridge_CreateInstance(&inspectable), hr); // Addref
        IUIABridge* bridge = nullptr;
        inspectable->QueryInterface(IID_IUIABridge, (void**)&bridge); // Addref
        if (bridge) {
            bridge->Init(this, mWindow.Get(), (ULONG)rootAccessible);
            mAutomationProvider = inspectable;
            inspectable->Release();
            return true;
        }
    }
#endif
    return false;
}
//-------------------------------------------------------------------
// GetFloatProperty
// 
//-------------------------------------------------------------------
float CObjectFinderEffect::GetFloatProperty(
	Microsoft::WRL::ComPtr<ABI::Windows::Foundation::Collections::IMap<HSTRING, IInspectable *>> &spSetting,
	const HSTRING &key, boolean &found)
{
	float value = 0.0f;

	spSetting->HasKey(key, &found);
	IInspectable* valueAsInsp = NULL;

	if (found)
	{
		spSetting->Lookup(key, &valueAsInsp);
	}

	if (valueAsInsp)
	{
		Microsoft::WRL::ComPtr<ABI::Windows::Foundation::IPropertyValue> pPropertyValue;
		HRESULT hr = valueAsInsp->QueryInterface(IID_PPV_ARGS(&pPropertyValue));

		if (!FAILED(hr))
		{
			hr = pPropertyValue->GetSingle(&value);
		}
	}

	return value;
}
Esempio n. 3
0
HRESULT TestJson()
{
    HRESULT hr;

    HSTRING className;
    IfFailedReturn(WindowsCreateString(
        RuntimeClass_Windows_Data_Json_JsonObject,
        wcslen(RuntimeClass_Windows_Data_Json_JsonObject),
        &className));

    IInspectable* inspectable;
    IfFailedReturn(RoActivateInstance(className, &inspectable));

    ULONG iidCount;
    IID* iids;
    IfFailedReturn(inspectable->GetIids(&iidCount, &iids));

    wprintf(L"Iids: %d\r\n", iidCount);

    IJsonValue* jsonValue;
    IfFailedReturn(inspectable->QueryInterface(__uuidof(jsonValue), reinterpret_cast<void**>(&jsonValue)));

    HSTRING jsonString;
    IfFailedReturn(jsonValue->Stringify(&jsonString));

    // TODO: Confirm that length parameter is required. I heard it is needed beacuase it is not guaranteed that the
    // PCWSTR will end on null character.
    UINT32 length;
    const wchar_t* rawJsonString;
    rawJsonString = WindowsGetStringRawBuffer(jsonString, &length);
    wprintf(L"Stringify: %s \r\nlength: %d\r\n", rawJsonString, length);

    IfFailedReturn(WindowsDeleteString(className));

    IfFailedReturn(WindowsDeleteString(jsonString));

    return S_OK;
}
void D2DComponent::CreateDeviceIndependentResources()
{
	IInspectable* sisInspectable = (IInspectable*) reinterpret_cast<IInspectable*>(this);
	ThrowIfFailed(sisInspectable->QueryInterface(__uuidof(ISurfaceImageSourceNative), (void **)&_sisNative));
}